MESON Chess Problem Database

Problem Display
PID: 262909 (8/7K/8/Q7/2B3k1/6B1/8/7N w - - 0 1)

Vlasenko, Nikolai Fillipovich

Zadachi i Etyudi, 2008

8/7K/8/Q7/2B3k1/6B1/8/7N

#2

5 + 1

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5?
      • 1...Kf3
        • 2.Qe2#
      • 1...Kh3!
  • Keys
    • 1.Qd2!
      • 1...Kf3
        • 2.Qe2#
      • 1...Kh3
        • 2.Be6#
      • 1...Kf5
        • 2.Qf4#
      • 1...Kh5
        • 2.Be2#

This anticipates 266069(2017), 268836(2022)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(D)
      • K(a);N_GUARD,S_FLIGHT::B(C)
      • K(a);N_GUARD,S_FLIGHT::QAR1(D)
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